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џџ џџ џџ l Ђ Ђ Ђ Ђ Ђ Ђ Ђ Ж Ж Ж Ж Ж Т Ж У f т т т т т т т т        , ) I Ў Ђ т т т т т Ў J Ђ Ђ т т т J J J т . Ђ т Ђ т  J Ж Ж Ђ Ђ Ђ Ђ т  J  J д Ц Ь  Ђ Ђ  ж ср>М Ж Ж : \  У У p _ J _  J У х LESSON: Introduction of Evolution, contrast the three theories of how life began on Earth.
OBJECTIVE: Students will be able to explain the early theories of the origin of life, and, define Evolution.
FOCUS: Show a video clip from Fantasia about the origin of life. (Approximately 15 mins.)
What do you think this film is trying to show us?
How do you think that life evolved on this planet?
CONTENT: PowerPoint presentation of the theories of origin of life.
Discuss Extraterrestrial origin- life originated on other planets outside our solar system, and was carried here on a meteorite or asteroid.
Intelligent life seeded the planet.
Organic molecules ( 1st bacterial cells) formed in space and were carried here by asteroids/meteorites.
Do we have any information to prove this is true?
Discuss Creationism- life was put here on Earth by Divine forces.
Isnt supposed to be taught in school because of separation of church and state.
Based on faith not fact.
Relies on stories that have been passed down over the years.
Do you think that this couldve happened? Why/ why not?
Discuss Origin from Non-living matter- life arose from inanimate matter. Random events produced stable molecules that would reproduce themselves. Then natural selection favored changes that increased their rate of reproduction, lead eventually to the first cell.
Organic acids came together to form primitive organisms.
How do you think that this would occur? Do you think its possible? Why/ why not?
Can anyone define Evolution?
What is a scientific Theory? A well supported testable explanation that unifies a broad range of observations.
Define Evolution, and discuss Evolutionary Theory- Evolution is the process of change through time, it is the process by which modern organisms have descended from ancient organisms. Evolutionary Theory is the unifying principle for the biological sciences.
It provides an explanation for the differences in structure, function, and behavior among life forms.
It includes the change in characteristics of populations through generations. Thus existing life forms have evolved from earlier life forms.
Briefly discuss supporting evidence for Evolution:
Field of Comparative Anatomy
Field of Embryology
Field of Cytology
Field of Biochemistry
Fossil studies comparison of geological records
MATERIALS: Fantasia video
PowerPoint presentation
Notes
SUMMARY: What is the Theory of Evolution, what are some of the fields that support it?
Go around the class and ask students to give one thing that they learned today.
HW: Read textbook Chapter 15, sections 1 and 2. (pg. 368-377)
EXTRA CREDIT- READ, OR WATCH,  INHERIT THE WIND, AND WRITE A BRIEF, ONE PAGE RESPONSE.
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